🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.7 AU - 0.88 AU

Year: 265 Days

Day: 15.3 Hours

Environment

Temp: 113 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.47

Radius: 1.17

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.84 AU - 1.28 AU

Year: 411 Days

Day: 40 Hours

Environment

Temp: 10 °C

Axial Tilt: 32.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 38,488,742 km

• M1: 220,956 km (0.09 R)
• M2: 457,919 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.53 AU - 1.89 AU

Year: 842 Days

Day: 26 Hours

Environment

Temp: -58 °C

Axial Tilt: 39.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.63 AU - 2.47 AU

Year: 1106 Days

Day: 40.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 27.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,488,742 km

• M1: 1,536,221 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.06

Radius: 1.56

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.68 AU - 4.48 AU

Year: 3105 Days

Day: 20.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.1

Radius: 9.5

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.25 AU - 6.47 AU

Year: 6042 Days

Day: 11.8 Hours

Environment

Temp: -154 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 38,488,742 km

• M1: 137,780 km (0.069 R)
• M2: 296,653 km (0.12 R)
• M3: 386,561 km (0.099 R)
• M4: 452,982 km (0.098 R)
• M5: 568,921 km (0.116 R)
• M6: 663,018 km (0.111 R)
• M7: 877,392 km (0.089 R)
• M8: 969,544 km (0.114 R)
• M9: 1,144,125 km (0.12 R)
• M10: 1,403,826 km (0.108 R)
• M11: 1,501,963 km (0.11 R)
• M12: 1,647,970 km (0.063 R)
• M13: 1,869,973 km (0.042 R)
• M14: 2,039,767 km (0.053 R)
• M15: 2,151,666 km (0.104 R)
• M16: 2,499,780 km (0.119 R)
• M17: 3,019,932 km (0.115 R)
• M18: 3,292,500 km (0.065 R)
• M19: 3,365,653 km (0.074 R)
• M20: 3,483,686 km (0.108 R)
• M21: 3,861,719 km (0.066 R)
• M22: 3,923,354 km (0.114 R)
• M23: 3,985,437 km (0.068 R)
• M24: 4,094,793 km (0.046 R)
• M25: 4,526,084 km (0.079 R)
• M26: 4,871,655 km (0.106 R)
• M27: 5,431,749 km (0.11 R)
• M28: 5,887,574 km (0.037 R)
• M29: 6,174,203 km (0.082 R)
• M30: 6,319,313 km (0.055 R)
• M31: 6,539,073 km (0.074 R)
• M32: 7,251,458 km (0.033 R)
• M33: 7,327,753 km (0.117 R)
• M34: 7,694,566 km (0.089 R)
• M35: 8,850,808 km (0.103 R)
• M36: 8,952,984 km (0.109 R)
• M37: 9,975,336 km (0.115 R)
• M38: 10,295,774 km (0.113 R)
• M39: 10,360,251 km (0.114 R)
• M40: 10,902,842 km (0.067 R)
• M41: 11,012,498 km (0.092 R)
• M42: 12,379,373 km (0.063 R)
• M43: 12,608,557 km (0.088 R)
• M44: 12,677,672 km (0.107 R)
• M45: 12,769,824 km (0.059 R)
• M46: 13,141,126 km (0.118 R)
• M47: 13,775,570 km (0.104 R)
• M48: 14,299,761 km (0.056 R)
• M49: 15,368,040 km (0.084 R)
• M50: 15,441,791 km (0.116 R)
• M51: 16,537,297 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 12.2

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 7.29 AU - 10.91 AU

Year: 10342 Days

Day: 14.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 38,488,742 km

• M1: 179,218 km (0.071 R)
• M2: 659,727 km (0.07 R)
• M3: 1,068,428 km (0.116 R)
• M4: 1,221,467 km (0.071 R)
• M5: 1,345,932 km (0.094 R)
• M6: 2,159,894 km (0.03 R)
• M7: 2,290,343 km (0.056 R)
• M8: 2,559,470 km (0.112 R)
• M9: 3,055,088 km (0.111 R)
• M10: 3,452,868 km (0.096 R)
• M11: 4,134,736 km (0.058 R)
• M12: 4,270,570 km (0.098 R)
• M13: 5,411,105 km (0.118 R)
• M14: 5,560,104 km (0.118 R)
• M15: 6,231,948 km (0.107 R)
• M16: 6,388,278 km (0.072 R)
• M17: 6,482,674 km (0.115 R)
• M18: 6,577,519 km (0.086 R)
• M19: 7,287,511 km (0.071 R)
• M20: 7,386,245 km (0.088 R)
• M21: 7,718,652 km (0.059 R)
• M22: 9,132,052 km (0.06 R)
• M23: 12,034,401 km (0.108 R)
• M24: 12,112,341 km (0.09 R)
• M25: 12,504,587 km (0.089 R)
• M26: 12,781,492 km (0.069 R)
• M27: 12,861,079 km (0.059 R)
• M28: 12,940,665 km (0.047 R)
• M29: 14,155,699 km (0.111 R)
• M30: 14,776,829 km (0.049 R)
• M31: 15,027,705 km (0.051 R)
• M32: 15,406,786 km (0.097 R)
• M33: 15,576,280 km (0.09 R)
• M34: 16,260,541 km (0.065 R)
• M35: 17,569,821 km (0.051 R)
• M36: 18,416,395 km (0.114 R)
• M37: 18,596,362 km (0.105 R)
• M38: 21,176,476 km (0.117 R)
• M39: 22,364,134 km (0.087 R)
• M40: 22,508,047 km (0.096 R)
• M41: 23,135,610 km (0.111 R)
• M42: 23,817,776 km (0.108 R)
• M43: 25,301,787 km (0.081 R)
• M44: 25,552,064 km (0.037 R)
• M45: 26,105,427 km (0.059 R)
• M46: 26,815,568 km (0.116 R)
• M47: 27,019,619 km (0.082 R)
• M48: 29,036,199 km (0.057 R)
• M49: 31,315,173 km (0.09 R)
• M50: 32,775,397 km (0.051 R)
• M51: 33,376,631 km (0.074 R)
• M52: 33,981,605 km (0.113 R)
• M53: 34,147,210 km (0.108 R)
• M54: 37,060,180 km (0.081 R)
• M55: 38,316,353 km (0.041 R)
• M56: 38,431,244 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 369 - 10,460 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit